El Pacto Del Mayflower /

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Esta obra reúne textos escritos por Andrés Lira sobre el exilio español y los maestros de ese exilio, como: José Medina Echavarría, José Miranda, Ramón Iglesia, Juan Antonio Ortega y Medina, Eugenio Ímaz y José Gaos, quienes han formado parte tanto de la Universidad Nacional Autónoma de México como de El Colegio de México.

Poemario en el que se habla sobre el amor desde la experiencia del niño. Se construye a partir de metáforas relacionadas con el mar, los animales, entre otras

This illustration-packed book begins with a brief overview about the history of the theater and then delves into the sets, actors, and audiences for Shakespeare's plays. It even talks about the famous fire at the Globe Theater and what life was like in London during the Plague. A detailed chronology is included.

En El fascinante mundo de... las aves rapaces descubrirás la rápida garra acuática del águila pescadora o la alucinante caída en picado, a 200 km por hora, del halcón peregrino en busca de su presa. Verás el preciso planear del buitre oteando la carroña o te sorprenderás de la habilidad del alimoche cuando utiliza una herramienta para conseguir su comida... y muchas cosas más sobre su fascinante mundo.